The length l, width w and height h of a box change with time.At a certain instant the dimensions are nd l and w are increasing at a rate of 10 m/s while h is decreasing at a rate of 1 m/s.At that instant find the rates at which the surface area is changing.

Question

The length l, width w and height h of a box change with time.At a certain instant the dimensions are  nd l and w are increasing at a rate of 10 m/s while h is decreasing at a rate of 1 m/s.At that instant find the rates at which the surface area is changing.

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The Answer of The length l, width w and height h of a box change with time.At a certain instant the dimensions are  nd l and w are increasing at a rate of 10 m/s while h is decreasing at a rate of 1 m/s.At that instant find the rates at which the surface area is changing.

The Length L, Width W and Height H of a Box